11940396628589 has 8 divisors (see below), whose sum is σ = 14027878556832. Its totient is φ = 10019913254640.

The previous prime is 11940396628571. The next prime is 11940396628609. The reversal of 11940396628589 is 98582669304911.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 11940396628589 - 2²⁴ = 11940379851373 is a prime.

It is a super-2 number, since 2×11940396628589² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11940396628289) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 41749638419 + ... + 41749638704.

It is an arithmetic number, because the mean of its divisors is an integer number (1753484819604).

Almost surely, 2^{11940396628589} is an apocalyptic number.

It is an amenable number.

11940396628589 is a deficient number, since it is larger than the sum of its proper divisors (2087481928243).

11940396628589 is a wasteful number, since it uses less digits than its factorization.

11940396628589 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83499277147.

The product of its (nonzero) digits is 201553920, while the sum is 71.

The spelling of 11940396628589 in words is "eleven trillion, nine hundred forty billion, three hundred ninety-six million, six hundred twenty-eight thousand, five hundred eighty-nine".